//
//  Atom.m
//  oc4.13
//
//  Created by mac on 16-4-13.
//  Copyright (c) 2016年 oc4.13. All rights reserved.
//

#import "Atom.h"

@implementation Atom

- (id) init
{
    if (self=[super init]){
    
        _chemicalElement =@"None";
    }
    return self;
}

-(NSUInteger) massNumber
{
    return 0;
}
@end
